SC 13D | 2006-07-07 | MADSEN POUL ERIK | CHICAGO RIVET & MACHINE CO | 74,000 | 7.6% | EDGAR |
SC 13G/A | 2006-02-06 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 55,400 | 5.7% | EDGAR |
SC 13G/A | 2005-02-09 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 55,100 | 5.7% | EDGAR |
SC 13G/A | 2004-02-06 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 55,100 | 5.7% | EDGAR |
SC 13G/A | 2003-02-12 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 73,100 | 7.6% | EDGAR |
SC 13G/A | 2002-02-12 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 72,600 | 7.5% | EDGAR |
SC 13G | 2001-02-02 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 72,800 | 7.4% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 74,600 | 6.5% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 74,600 | 6.5% | EDGAR |
SC 13G | 2000-02-03 | DIMENSIONAL FUND ADVISORS INC | CHICAGO RIVET & MACHINE CO | 74,600 | 6.5% | EDGAR |